import java.util.Random;
import java.util.Scanner;

/**
 * @Author liangzai
 * @Description:
 */
public class Test {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int score = scanner.nextInt();
        if(score==100){
            System.out.println("一辆汽车");
        }else if(score>=90 && score<100){
            System.out.println("mp4");
        }else if(score>=60 && score<90){
            System.out.println("参考书");
        }else {
            System.out.println("面壁思过");
        }
    }

    public static void main2(String[] args) {
        System.out.println("请输入是否是会员 y/n");
        Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        System.out.println("请输入购物金额：");
        float price = scanner.nextFloat();
        if(str.charAt(0)=='y'){
            if(price>=200){
                System.out.println("实际支付："+price*0.75);
            }else{
                System.out.println("实际支付："+price*0.8);
            }
        }else {
            System.out.println("实际支付："+price*0.9);
        }
    }

    public static void main1(String[] args) {
        Random random = new Random();
        Scanner scanner = new Scanner(System.in);
        System.out.println("************欢迎来到抽奖活动************");
        System.out.print("请输入你的会员号：");
        String num = scanner.nextLine();
        int val = random.nextInt(9);
        System.out.print("中奖号码："+val);
        System.out.println();
        if((int)num.charAt(1)==val){
            System.out.println("恭喜你，中奖了！");
        }else {
            System.out.println("很遗憾，你没中奖！");
        }
    }
}
